Ian Wright, top boss as the Food and Drink Federation, told the BBC Today Programme: "We will see fewer chicken dishes, fewer pork and bacon dishes.

"We'll see probably less carbonated drinks and certainly bakery and other things that benefit from what's called modified atmosphere packaging, which is plastic packaging with a tray underneath and a dish of food in them."

He also said that even if the supplies resumed next week, it could take some time for things to get back to normal because "inventories of products have been eroded".

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